Bump dependabot/fetch-metadata from 1.6.0 to 2.0.0 (#139)

Bumps [dependabot/fetch-metadata](https://github.com/dependabot/fetch-metadata) from 1.6.0 to 2.0.0.
- [Release notes](https://github.com/dependabot/fetch-metadata/releases)
- [Commits](dependabot/fetch-metadata@v1.6.0...v2.0.0)

---
updated-dependencies:
- dependency-name: dependabot/fetch-metadata
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/merge-bot-pr.yml

@@ -17,7 +17,7 @@ jobs:
     steps:
       - name: Dependabot metadata
         id: dependabot
-        uses: dependabot/fetch-metadata@v1.6.0
+        uses: dependabot/fetch-metadata@v2.0.0
       - name: Judge
         id: conclusion
         if: >-